The id, ego, and superego
According to Freud, the job of the ego, or self, is to balance the aggressive/pleasure-seeking drives of the id with the moral control of the superego.
Source
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"CNX Psychology, Psychology. July 13, 2015."
http://cnx.org/contents/4abf04bf-93a0-45c3-9cbc-2cefd46e68cc@4.100:61/Psychology
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